Sales of company x, January 1965 to May 1971                                       
#from paper of Chatfield and Prothero, JRSS A (1973)
#Box-Jenkins seasonal forecasting: problems in a case study
 154.  96.  73.  49.  36.  59.  95. 169. 219. 278. 298. 245. 200. 118.          
  90.  79.  78.  91. 167. 169. 289. 347. 375. 203. 223. 104. 107.  85.          
  75.  99. 135. 211. 335. 460. 488. 326. 346. 261. 224. 141. 248. 145.          
 223. 272. 445. 560. 612. 467. 518. 404. 300. 210. 196. 186. 247. 343.          
 464. 680. 711. 610. 613. 392. 273. 322. 189. 257. 324. 404. 677. 858.          
 895. 664. 628. 308. 324. 248. 272.                                             

